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Slide 2

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Illusions - DefinitionThere are several definitions for an `illusion' (as sourced from Google): - an erroneous mental representation - something many people believe that is false; "they have the illusion that I am very wealthy" - delusion: the act of deluding; deception by creating illusory ideas - magic trick: an illusory feat; considered magical by naive observersAll of the above mention how visual perception can be affected by simple shapes or objects.…read more

Slide 3

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Depth Cues Depth Cues explain why we see things as we do. Relative Size Is where a closer object looks bigger than one that is further away. This is because objects that are closer make a bigger image on the retina.…read more

Slide 4

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Depth Cues Texture Gradient Is where objects that are closer look more detailed in texture, while if you look at them from a distance, the texture isn't very clear.…read more

Slide 5

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Depth Cues Height in the plane Is where your brain automatically divides the landscape into a top and bottom half. If you look at the bottom half, it will seem closer and the top half will look further away.…read more

Slide 6

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Depth Cues Superimposition Is where one object obstructs the view of the full landscape. A partly concealed object must be blocked by the object covering it. E.g. a lamp post in front of a house.…read more